World Date and Time computes local time, calendars, holidays, and sun and moon times in the browser. Open a city page, the world clock, or a calculator. JavaScript is needed for the live clocks.
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London is on British Summer Time, UTC+1. Clocks move back 1 hour on 25 Oct 2026 at 01:00. Paris is on Central European Summer Time, UTC+2. Clocks move back 1 hour on 25 Oct 2026 at 02:00.